Patent US1889373A successfully refreshed from Google Patents.
US1889373A
Expired / Lapsed
US
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Combination writing pad and flash light
Assignee: Individual
•
Filing: 1932-01-19
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Granted: 1932-11-29
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Expires: 1952-01-19
Abstract
No abstract record available.
Inventors
- 👤 Pereira Leonard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:44
CPC Classifications
F; F21; F21V; F21V19/00; F21V19/04; F21V19/047; B; B42; B42D; B42D5/00; B42D5/003; B42D5/005; B42D5/006; B42D5/007
Claims Analysis
Total Claims: 0
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References Cited (Backward Citations)
No citation records indexed.
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1935-11-29 | 1936-05-30 | 1936-11-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1939-11-29 | 1940-05-30 | 1940-11-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1943-11-29 | 1944-05-30 | 1944-11-29 | $7700.00 | Window Closed / Lapsed |